分析了故障测距用行波信号对测量互感器的要求。
The requirements of fault location signals to measurement transformers are analyzed.
根据上述原理研制了新型输电线路故障测距装置。
Based on this principle, a new device for fault location of transmission line has been developed.
本论文研究题目为小电流接地系统智能型线路故障测距。
The study subject of this paper is study of An Intelligent Type Fault Location In Distribution Systems.
电压反射系数为电力电缆故障测距提供了可靠的理论依据。
The electric voltage echo coefficient provides dependable theories to the power cable fault location.
本文着重研究了单相接地故障的区段定位方法和故障测距方法。
A new method about fault section locating and a new method about accurate fault locating are studied in this article.
本文针对如何提高故障测距装置的精度和可靠性做了初步的研究。
The thesis makes primary researches on improving the measure precision and reliability of the fault location device.
最后，本文给出了实现该算法的故障测距系统硬件的初步设计方案。
Finally, this thesis presents the initial design scheme of fault location system hardware to implement algorithm.
根据上述原理研制成功了新型输电线路故障测距装置XC -11。
Based on this principle, a new device for fault location of transmission line XC 11 has been developed successfully.
随着电力电缆应用的增多，对电缆故障测距的精确度要求也不断提高。
With the increasing application of the power cables, it is necessary to constantly improve the accuracy ranging of cable fault location.
正确识别和检测线路故障后的行波信号是实现行波保护和故障测距的关键。
The key point to realize protective relaying and the fault location based on travelling wave is how to correctly distinguish and detect the travelling wave signal.
本文就高压输电线路故障，提出了一种基于实时对称分量法的故障测距新算法。
A new algorithm for fault location of HV transmission lines based on the real-time symmetric component method is proposed.
行波故障测距系统中的行波波速测量的准确性在一定程度上影响了行波测距的精度。
In fault location system based on traveling wave, the measurement accuracy of traveling wave velocity influenced the fault location accuracy to a certain extent.
提出了一种新的故障定位的精确算法。它是利用输电线路双端电气量进行故障测距的。
This paper proposes a new fault location algorithm based on the data acquired from both end of the faulted line.
探索综合利用故障初始电流、电压行波线模分量实现配电线路双端故障测距的新方法。
A new method of fault location for distribution feeders based on the aerial mode component of fault generating current and voltage traveling waves is discussed.
电力系统故障录波，对分析电网故障、评价保护动作以及故障测距等，均有重要意义。
The faulty waveform recording in power system is important for the analysis of power network fault, the evaluation of protection's operation characteristic, fault location, and so on.
本文讨论了AT漏抗、上下行互感、轨地泄漏导纳等因素对AT牵引网故障测距的影响。
The paper discusses the affection of fault location of at traction power network by factors of at leakage, mutual induction between up and down line and rail-ground leakage admittance.
本文在第三章通过对测距系统的仿真建模分析，检验了各种情况下该方法的故障测距精度。
The simulation shows that the accuracy of fault location is greatly improved by the new methods presented in this paper, so this method is very effective in fault location.
对可能影响故障测距精度的各种因素进行了分析，得出了各种因素的影响程度及其补偿方法。
The factors that may influence the fault locating accuracy are analyzed one by one and the method for compensation of the impact is provided.
本文比较分析了各种测距算法，并在此基础上提出了一种同杆并架双回线的故障测距新算法。
This paper compares and analyses all sorts of fault location algorithms, and puts forward a new fault location algorithm for double transmission line on the same tower.
利用输电线路两端的故障电压、电流量，提出了一种基于输电线路等效序网的故障测距方法。
Using post fault voltages and currents from the two terminals, a novel method for fault location based on transmission line's equivalent sequence networks is proposed in this paper.
行波色散是造成故障测距误差大的重要原因：利用行波故障定位时要考虑采用多相行波数据。
Traveling wave dispersion in the parallel line is more complex than that in the single line and is an important reason why the fault location error is large for traveling wave method.
该系统具有程序、数据空间大的特点，能支持复杂的以解长线方程为基础的长线故障测距软件。
The system has larger spaces for program and data and can support complex long-line fault locating software.
比较分析了各种主要的测距算法，并在此基础上提出了一种同杆并架双回线的故障测距新算法。
This paper compares and analyses various types of main fault location algorithms and puts forward a new fault location algorithm for double transmission lines on a same tower.
利用功率平衡理论进行故障测距能够在原理上克服传统阻抗法普遍存在的受故障电阻影响的缺陷。
The location results are always affected by fault resistance in almost all conventional impedance methods in fault location, but the application of power balance theory can overcome the shortcoming.
而国内外较成熟的电缆故障测距方法大都基于离线状态，电缆在线故障测距，仍缺少有效的方法。
There are not efficient methods for cable fault location on-line, so this topic has an exigently realistic significance.
本文研究了如何由直流线路的几何参数计算其模参数的方法，对时域故障测距原理进行了仿真验证。
On the basis of researching of the way of calculating mode parameters of transmission line form its geometric parameters, the feasibility of time domain fault location method is validated.
论文最后对电力电缆故障测距系统进行了实验测试，结果表明该系统满足电力电缆故障测距的要求。
At last, the performance of power cable fault location system is tested in this article, the test result indicates that the system meets the requirements of power cable fault location.
本文针对高压输电线距离保护及故障测距中常用的解微分方程算法，提出了一种零序电流相位修正的方法。
The paper proposes a method which corrects the Angle of zero-sequence current in the algorithm of differential equation used for distance protection and fault location of HV transmission lines.
微机接触网故障测距装置能在电气化铁路接触网发生各种短路故障后自动进行故障诊断和故障点精确定位。
Feeder fault locator will carry out the automatic fault diagnosis and precise fault loca-ting after different short-circuits faults have occurred in electrified railway feeder.
微机接触网故障测距装置能在电气化铁路接触网发生各种短路故障后自动进行故障诊断和故障点精确定位。
Feeder fault locator will carry out the automatic fault diagnosis and precise fault loca-ting after different short-circuits faults have occurred in electrified railway feeder.
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